| 序号 | 时间 (年) |
数据 (万美元) |
|---|---|---|
| 1 | 2023 | |
| 2 | 2022 | |
| 3 | 2021 | |
| 4 | 2020 | |
| 5 | 2019 | |
| 6 | 2018 | |
| 7 | 2017 | |
| 8 | 2016 | |
| 9 | 2015 | |
| 10 | 2014 | |
| 11 | 2013 | 27062912.04 |
| 12 | 2012 | 25621556.42 |
| 13 | 2011 | 22680191.50 |
| 14 | 2010 | 21326759.76 |
| 15 | 2009 | 19742964.95 |
| 16 | 2008 | 27331752.52 |
| 17 | 2007 | 27645509.85 |
| 18 | 2006 | 20236135.69 |
| 19 | 2005 | 19544096.81 |
| 20 | 2004 | 18962980.33 |
| 21 | 2003 | 14700391.96 |
| 22 | 2002 | 13423274.59 |
| 23 | 2001 | 9062515.24 |
| 24 | 2000 | 5935906.12 |
| 25 | 1999 | 7223981.20 |
| 26 | 1998 | 7981456.99 |
| 27 | 1997 | 7549732.80 |
| 28 | 1996 | 7638226.34 |
| 29 | 1995 | 6933447.82 |
| 30 | 1994 | 5330904.90 |
| 31 | 1993 | 4281053.78 |
| 32 | 1992 | 3068267.41 |
| 33 | 1991 | 2162874.15 |
| 34 | 1990 | 7192901.99 |
| 35 | 1989 | 7695214.83 |
| 36 | 1988 | 7864664.53 |
| 37 | 1987 | 6986940.12 |
| 38 | 1986 | 5695294.91 |
| 39 | 1985 | 2990137.22 |
| 40 | 1984 | 2279212.66 |
| 41 | 1983 | 2142588.40 |
| 42 | 1982 | 2618653.51 |
| 43 | 1981 | 1723226.06 |
| 44 | 1980 | 971920.93 |
| 45 | 1979 | 1651508.98 |
| 46 | 1978 | 2486325.59 |
| 47 | 1977 | 1922724.07 |
| 48 | 1976 | 1624212.97 |
| 49 | 1975 | 1491253.60 |
| 50 | 1974 | 1962618.19 |
| 51 | 1973 | 1280967.02 |
| 52 | 1972 | 626134.59 |
| 53 | 1971 | 479085.64 |
